Plutonium Ore
is an ore that can be found after the player has killed all 3 mechanical bosses. The player will get a message saying: "You see fumes rising from the caves". When mined, it has a 100% chance of giving you Radiation Poisoning. It can be made into Plutonium Bars. It can only be mined with a pickaxe with 200% pickaxe power or higher, it is also dropped by Clones.

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